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Page 21 of 24

SECTION 6 – TROUBLESHOOTING INFORMATION

General Information

The following troubleshooting guide is intended to assist in the analysis of problems
related to PUREGAS compressed air dryers and adsorbers. Based on a given
symptom, the troubleshooting guide suggests possible causes, items to check, and
corrective actions. Please note that the most likely potential causes are listed first. Thus,
each potential cause should be checked in the sequence given. It is further suggested
that once the problem has been isolated, that the corresponding text in the Maintenance
Section should be reviewed for further information.

Troubleshooting Matrix

The following pages provide problem-solving assistance for the most common customer
concerns. If you are unable to resolve your problem after consulting this material,
please contact PUREGAS for further assistance at 800-521-5351 or via email at
[email protected].

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Содержание PCDA

Страница 1: ...11 PUREGAS LLC 226A Commerce Street Broomfield CO 80020 Tel 800 521 5351 Fax 303 657 2205 Info puregas com www puregas com Instruction Manual for PUREGAS Compressed Air Dryers and Adsorbers Models PH...

Страница 2: ...e allowed Replacement parts will be invoiced in the regular way with invoices subject to adjustment after the parts claimed defective are examined at our factory No units or parts will be accepted at...

Страница 3: ...GENERAL INFORMATION 13 ANNUAL INSPECTION 13 MAINTENANCE SCHEDULE 14 SECTION 5 REPLACEMENT PARTS 15 GENERAL INFORMATION 15 SECTION 6 TROUBLESHOOTING INFORMATION 21 GENERAL INFORMATION 21 TROUBLESHOOTIN...

Страница 4: ...ION OF OPERATION General Description PUREGAS compressed air dryers and adsorber are used to separate various elements in compressed air using Pressure Swing Adsorption PSA technology This method emplo...

Страница 5: ...enoid valve When the air reaches the top of the tower it is redirected back down the return air tube in the center of the tower through the open check valve and into the outlet passageway Most of the...

Страница 6: ...he shuttle valve contains an internal disk which shuttles back and forth in the valve body based on the pressure differential created by the 2 way valves one of which is open and the other closed The...

Страница 7: ...oming air into one of the two desiccant chambers where the water vapor and or CO2 are removed Most of the purified air leaving the desiccant chamber passes through the outlet shuttle valve to the appl...

Страница 8: ...perature range is between 40o F 4o C and 125o F 52o C Although the unit will operate at higher temperatures the operating life of the components will decrease at temperatures much above 85o F 29o C Be...

Страница 9: ...age 6 of 24 MODEL A B C D E F PCR 15 18 625 6 25 5 3 25 5 5 8 25 PCR 25 22 935 6 30 4 25 6 4 9 25 PCR 50 28 125 6 35 25 4 25 6 4 9 25 Note All dimensions are in inches FIGURE 5 DIMENSIONS OF PCR MODEL...

Страница 10: ...Page 7 of 24 Note All dimensions are in inches FIGURE 6 DIMENSIONS OF PMD AND TOC MODELS MODEL PMD S PMD M TOC TOC with cabinet filters Height A 10 12 10 12 Width B 4 5 4 15 Depth C 4 5 4 5...

Страница 11: ...online tower will soon become saturated There are four ways of connecting the PHF PCDA PHCA and PCME models These models are set up at the factory such that the airflow through the unit is from left t...

Страница 12: ...employed as needed to prevent air from entering the de energized unit Inlet and Outlet Filtration Appropriate inlet filtration is mandatory for all models Particles of dirt rust or scale as well as c...

Страница 13: ...d helps prevent costly repairs caused by moisture damage It features simultaneous audible and visual alarms as well as open and closed circuit conditions for integration into a control system Electric...

Страница 14: ...he timer wiring diagrams for all models are shown in Figure 8 PCR Model PHF PCDA PHCA PCME Models PMD and TOC Models FIGURE 8 WIRING DIAGRAMS Operating Pressure and Sizing Most PUREGAS models are desi...

Страница 15: ...al flow is required or the operating pressure decreases the output performance will be negatively affected unless the orifice diameter is changed appropriately Depending on the magnitude of the change...

Страница 16: ...t their inlets for excessive dirt or oil fouling which would indicate possible contamination of the desiccant chambers If contaminated replace the desiccant chambers or return them to PUREGAS or an au...

Страница 17: ...odel Replace Filter Elements Replace the inlet and outlet filter elements every 6 12 months depending on the quality of the compressed air source PUREGAS stocks replacement elements for all of the fil...

Страница 18: ...adsorbers covered by this instruction manual Please note that parts for non current models are not listed but may be available Simply identify the required parts for your model from the exploded view...

Страница 19: ...00589 DC2 Solenoid Repair Kit All models n a P200498S Dryer Maintenance Kit All models n a P200499S Purge Orifice All models Specify P200404 Mounting Bracket All models n a P010437 Manifold Cover All...

Страница 20: ...Page 17 of 24 FIGURE 11 EXPLODED VIEW OF PCR MODEL...

Страница 21: ...cify Orifice P010652 Outlet without gauge option Specify Orifice P010509 Outlet shuttle disk Specify Orifice P09881F Inlet shuttle disk n a P09881F000 Purge Muffler All models n a P010734F2 Tower Pres...

Страница 22: ...Page 19 of 24 FIGURE 13 EXPLODED VIEW OF PMD AND TOC MODELS...

Страница 23: ...DC P010609 PMD xx 3D 24 VDC P010604 Shuttle Valve All models Specify Orifice P010577 ACCESSORIES FOR PMD and TOC MODELS Inlet 5 micron Particulate Filter 1 8 NPT 5 micron P010614 Replacement Element f...

Страница 24: ...likely potential causes are listed first Thus each potential cause should be checked in the sequence given It is further suggested that once the problem has been isolated that the corresponding text i...

Страница 25: ...PCDA PCME PHCA Desiccant tower attrition Remove chamber and depress perforated disc at open end of tower If perforated disc can be depressed more than 1 4 from the retaining ring replace or repack de...

Страница 26: ...outlet shuttle disc not shifting Depressurize the system remove shuttle valve assembly and check for damage or contamination of inside the valve body Replace or clean valve body and disc Check conditi...

Страница 27: ...inspect outlet air line for evidence of oil Replace or repack desiccant towers Replace or install proper inlet filtration C4 All Plugged air passages Check inlet and outlet air passages and piping for...

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